| Abbreviation | Definition |
|---|---|
| AII | Agency for Intercultural and Inter |
| AII | Agency Intermediaries Inc |
| AII | Allergy Immunology and Inflammation |
| AII | Allergy Inflammation and Immunology |
| AII | American International Industries |
| AII | Analytiks International Inc |
| AII | Angiotensin II AII |
| AII | anticipated increase in information |
| AII | Association of Independent Institutions |
| AII | Auditory Implant Initiative |
| AII | Auto ID Infrastructure |
| AIIA | Artificially Intelligent Improvholics Anonymous |
| AIIA | Associazione Italiana Ingegneria Agraria |
| AIIA | Associazione Italiana Internal Auditors |
| AIIAC | American Indian Indigenous Arts Collaborative |
| AIIB | Anti Imperialist International Brigade |
| AIIB | Asia Infrastructure Investment Bank |
| AIIB | Asian Infrastructure |
| AIIB | Asian Institute of Intelligent Buildings |
| AIIE | All India Industrial Exhibition |